https://ngeranio.com/ Recent content on ngeran[io] Hugo en Sun, 07 Jun 2026 12:50:00 -0400 https://ngeranio.com/routing/bgp/local-routes-bgp-policy/ Sun, 07 Jun 2026 12:50:00 -0400 https://ngeranio.com/routing/bgp/local-routes-bgp-policy/ A deep dive into why an operational inline services /32 interface prefix failed to advertise across an iBGP full mesh, exposing the inner workings of the Junos routing engine. https://ngeranio.com/routing/bgp/beyond-bgp-path-selection/ Fri, 05 Jun 2026 10:00:00 -0400 https://ngeranio.com/routing/bgp/beyond-bgp-path-selection/ A deep comparison of the BGP path selection process between eBGP and iBGP on Juniper platforms — tie-breakers, CLI output analysis, and production configs. https://ngeranio.com/junos/pfe-deep-dive/ Fri, 05 Jun 2026 10:00:00 -0400 https://ngeranio.com/junos/pfe-deep-dive/ Move beyond show route — hardware-level diagnostics, FIB sync issues, ASIC discards, JSIM simulation, and packet-via-dmem captures on Juniper MX-Series. https://ngeranio.com/privacy/ Sun, 31 May 2026 00:00:00 +0000 https://ngeranio.com/privacy/ Privacy policy for ngeran[io]. https://ngeranio.com/observability/twamp/ Sat, 30 May 2026 12:00:00 -0400 https://ngeranio.com/observability/twamp/ A production hardware-accelerated TWAMP deployment on Juniper MX with inline services — three QoS classes (Voice, Video, Best Effort), bidirectional measurement, and line-by-line config explanation. https://ngeranio.com/routing/bgp/as_path/ Tue, 17 Dec 2024 16:04:48 -0500 https://ngeranio.com/routing/bgp/as_path/ Indicate path back to the route source and prevents routing loops. https://ngeranio.com/routing/bgp/local_preference/ Thu, 12 Dec 2024 17:30:21 -0500 https://ngeranio.com/routing/bgp/local_preference/ The Power of Local Preference. The first BGP attribute used to favor one route over another. https://ngeranio.com/routing/bgp/bgp-attributes/ Tue, 10 Dec 2024 17:36:42 -0500 https://ngeranio.com/routing/bgp/bgp-attributes/ BGP uses different attributes to control the advertisement and influence path selection https://ngeranio.com/routing/bgp/bgp-route-selection/ Sun, 01 Dec 2024 09:15:27 -0500 https://ngeranio.com/routing/bgp/bgp-route-selection/ How to influance the route selection with the approptiate attributes. https://ngeranio.com/routing/bgp/fsm/ Fri, 22 Nov 2024 13:14:14 -0500 https://ngeranio.com/routing/bgp/fsm/ This article explains the different states during the BGP neighbor negotiation https://ngeranio.com/routing/ospf/packet-types/ Fri, 22 Nov 2024 13:14:14 -0500 https://ngeranio.com/routing/ospf/packet-types/ Packet Header and Packet Types https://ngeranio.com/routing/ospf/lsa5/ Fri, 22 Nov 2024 13:13:56 -0500 https://ngeranio.com/routing/ospf/lsa5/ OSPF Type 4 LSA Summary https://ngeranio.com/routing/ospf/lsa4/ Fri, 22 Nov 2024 13:13:46 -0500 https://ngeranio.com/routing/ospf/lsa4/ OSPF Type 4 LSA Summary https://ngeranio.com/routing/ospf/lsa3/ Fri, 22 Nov 2024 13:13:42 -0500 https://ngeranio.com/routing/ospf/lsa3/ OSPF Type 3 LSA Summary https://ngeranio.com/routing/ospf/lsa2/ Fri, 22 Nov 2024 13:13:33 -0500 https://ngeranio.com/routing/ospf/lsa2/ OSPF Type 2 LSA Summary https://ngeranio.com/routing/ospf/lsa1/ Fri, 22 Nov 2024 13:13:23 -0500 https://ngeranio.com/routing/ospf/lsa1/ OSPF Type 1 LSA Summary